3.4 magnitude quake rattles South Bay near Alum Rock Park

A 3.4 magnitude earthquake was reported Wednesday morning east of San Jose, according to the U.S. Geological Survey.

The quake was reported at 10:35 a.m. and was centered east of Alum Rock Park.

The earthquake was originally rated a 3.6 magnitude but later downgraded.

It struck along the Calaveras Fault and had a depth of 7.4 kilometers, according to the USGS.